Answer:
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
I have cities with no people forests with no trees and oceans with no water.
What bone has a sense of humor?
A young man wants to have me but when he has me, he no longer wants me. What am I?
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
A little house full of meat, no door to go in and eat.